<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script type="text/javascript" src="./js/vue.js"></script>
</head>
<body>
    <div id="app">
        <h1>{{str}}</h1>
        <h1>{{_c}}</h1>
        <h1>{{$attrs}}</h1>
        <h1>{{$children}}</h1>
        <h1>{{$el}}</h1>
        <h1>{{abc}}</h1>
        <h1 v-bind:a="$attrs"></h1>
    </div>

    <script type="text/javascript">
        
        Vue.prototype.abc = "123";
       let vm = new Vue({
            el:"#app",
            data:{
                str:"学习vm虚拟dom对象"
            }
       })
       console.log(vm);    
    </script>
</body>
</html>